decisions about civil commitment. >> professor. >> i'm going to add, do this a little bit shorter, i think, which is let's start with a question to everybody in the audience. all right, so if you like chocolate cake, raise your left hand. if you do not like chocolate cake, raise your right hand. all people who like chocolate cake left hand, don't like chocolate cake right hand. all right, hands down. how many people found it difficult to raise your hand by yourself? not very many. great, you made a choice. you thought about it. you decided and you acted. and my concept of what free will is the ability to act consistent with your preferences and desires. just that simple. now how many people here feel like you have control over whether or not you like chocolate cake? raise either hands. fewer, right. so there are two different things going on that we often conflate when we talk about free will. one is your predispositions to preferences and desires, ok. that may be impulsivity, that may be violence, that may be anti-social personality disorder, that may be a preference for chocolate cake, a